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		Yang Mi,Yuanwei Jing.[en_title][J].Control Theory and Technology,2004,2(3):253~258.[Copy]

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YangMi,YuanweiJing
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Received:August 26, 2003Revised:August 10, 2004

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Design of fuzzy sliding mode controller for SISO discrete-time systems

Yang Mi,Yuanwei Jing

(Faculty of Information Science and Engineering, Northeastern University, 110004 Shenyang Liaoning, China)

Abstract:

According to a class of nonlinear SISO discrete systems, the fiizzy sliding mode control problem is considered. Based on Takagi-Sugeno fuzzy model method, a fuzzy model is designed to describe the local dynamic performance of the given nonlinear systems. By using the sliding mode control approach, the global controller is constructed by integrating all the local state controllers and the global supervisory sliding mode controller. The tracking problem can be easily dealt with by taking advantage of the combined controller,and the robustness performance is improved finally. A simulation example is given to show the effectiveness and feasibility of the method proposed.

Key words: Fuzzy sliding mode controller Nonlinear discrete systems Takagi-Sugeno model